Function keyDownOnPrimaryAction

src/material/chips/chip-row.spec.ts:347–351

(keyCode: number, key: string)

      });

      function keyDownOnPrimaryAction(keyCode: number, key: string) {
        const keyDownEvent = createKeyboardEvent('keydown', keyCode, key);
        dispatchEvent(primaryAction, keyDownEvent);
        fixture.detectChanges();
      }

      function getEditInput(): HTMLElement {
        return chipNativeElement.querySelector('.mat-chip-edit-input')!;